[tip: x86/apic] genirq/irqdomain: Implement get_name() method on irqchip fwnodes

[tip-bot2 for David Woodhouse]

The following commit has been merged into the x86/apic branch of tip:

Commit-ID:     2cbd5a45e5296b28d64224ffbbd33d427704ba1b
Gitweb:        https://git.kernel.org/tip/2cbd5a45e5296b28d64224ffbbd33d427704ba1b
Author:        David Woodhouse <dwmw@xxxxxxxxxxxx>
AuthorDate:    Sat, 24 Oct 2020 22:35:22 +01:00
Committer:     Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitterDate: Wed, 28 Oct 2020 20:26:27 +01:00

genirq/irqdomain: Implement get_name() method on irqchip fwnodes

Prerequisite to make x86 more irqdomain compliant.

Signed-off-by: David Woodhouse <dwmw@xxxxxxxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Acked-by: Marc Zyngier <maz@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20201024213535.443185-23-dwmw2@xxxxxxxxxxxxx

---
 kernel/irq/irqdomain.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c
index cf8b374..673fa64 100644
--- a/kernel/irq/irqdomain.c
+++ b/kernel/irq/irqdomain.c
@@ -42,7 +42,16 @@ static inline void debugfs_add_domain_dir(struct irq_domain *d) { }
 static inline void debugfs_remove_domain_dir(struct irq_domain *d) { }
 #endif
 
-const struct fwnode_operations irqchip_fwnode_ops;
+static const char *irqchip_fwnode_get_name(const struct fwnode_handle *fwnode)
+{
+	struct irqchip_fwid *fwid = container_of(fwnode, struct irqchip_fwid, fwnode);
+
+	return fwid->name;
+}
+
+const struct fwnode_operations irqchip_fwnode_ops = {
+	.get_name = irqchip_fwnode_get_name,
+};
 EXPORT_SYMBOL_GPL(irqchip_fwnode_ops);
 
 /**